994472173 has 2 divisors, whose sum is σ = 994472174. Its totient is φ = 994472172.

The previous prime is 994472119. The next prime is 994472189. The reversal of 994472173 is 371274499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993384324 + 1087849 = 31518^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994472173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994472473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497236086 + 497236087.

It is an arithmetic number, because the mean of its divisors is an integer number (497236087).

Almost surely, 2^994472173 is an apocalyptic number.

It is an amenable number.

994472173 is a deficient number, since it is larger than the sum of its proper divisors (1).

994472173 is an equidigital number, since it uses as much as digits as its factorization.

994472173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 994472173 is about 31535.2528608857. The cubic root of 994472173 is about 998.1539853268.

The spelling of 994472173 in words is "nine hundred ninety-four million, four hundred seventy-two thousand, one hundred seventy-three".